HARRE, R. (1970). The Method of science. Wykeham.
Cita Chicago (17th ed.)HARRE, R. The Method of Science. London: Wykeham, 1970.
Cita MLA (9th ed.)HARRE, R. The Method of Science. Wykeham, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.